Marketing display device



FIG. 1 is a side perspective view of a marketing display device;

FIG. 2 is a front view of a marketing display device;

FIG. 3 is a rear view of a marketing display device;

FIG. 4 is an opposite side view of a marketing display device;

FIG. 5 is a top view of a marketing display device; and,

FIG. 6 is a bottom view of a marketing display device. 

CLAIM The ornamental design for a marketing display device, as shown and described. 